safeway. ingredients for life. >>> the third day of a massive search ended without finng the missing plane piloted by a silicon county executive and killing four members of his family. a hunting loan beacon is the only call for help coming from the plane and rescuers are struggling desperately to find it. clayton san dell reports from the wilderness of idaho. >> rescue teams spentin this rugged idaho wilderness, search planes are flying with heat sensing cameras, desperately trying to find silicon valley executive dale smith and his family. >> obviously our hearts are breaking and we just want our family back. >> reporter: the single engine took off from baker city oregon sunday headed for montana but near yellow pine idaho smitd radio controllers about engine trouble and asked for directions to an airstrip but the plane never made it vanishing from radar. smith is an experienced pilot. his love of flying seen in this family video he made just three weeks ago. after thanksgiving, he was flying